ui/spice-display.h

   1 /*
   2  * Copyright (C) 2010 Red Hat, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 or
   7  * (at your option) version 3 of the License.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include <spice/ipc_ring.h>
  19 #include <spice/enums.h>
  20 #include <spice/qxl_dev.h>
  21
  22 #include "qemu-thread.h"
  23 #include "qemu-pixman.h"
  24 #include "sysemu.h"
  25
  26 #define NUM_MEMSLOTS 8
  27 #define MEMSLOT_GENERATION_BITS 8
  28 #define MEMSLOT_SLOT_BITS 8
  29
  30 #define MEMSLOT_GROUP_HOST  0
  31 #define MEMSLOT_GROUP_GUEST 1
  32 #define NUM_MEMSLOTS_GROUPS 2
  33
  34 /*
  35  * Internal enum to differenciate between options for
  36  * io calls that have a sync (old) version and an _async (new)
  37  * version:
  38  *  QXL_SYNC: use the old version
  39  *  QXL_ASYNC: use the new version and make sure there are no two
  40  *   happening at the same time. This is used for guest initiated
  41  *   calls
  42  */
  43 typedef enum qxl_async_io {
  44     QXL_SYNC,
  45     QXL_ASYNC,
  46 } qxl_async_io;
  47
  48 enum {
  49     QXL_COOKIE_TYPE_IO,
  50     QXL_COOKIE_TYPE_RENDER_UPDATE_AREA,
  51     QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG,
  52 };
  53
  54 typedef struct QXLCookie {
  55     int      type;
  56     uint64_t io;
  57     union {
  58         uint32_t surface_id;
  59         QXLRect area;
  60         struct {
  61             QXLRect area;
  62             int redraw;
  63         } render;
  64     } u;
  65 } QXLCookie;
  66
  67 QXLCookie *qxl_cookie_new(int type, uint64_t io);
  68
  69 typedef struct SimpleSpiceDisplay SimpleSpiceDisplay;
  70 typedef struct SimpleSpiceUpdate SimpleSpiceUpdate;
  71
  72 struct SimpleSpiceDisplay {
  73     DisplayState *ds;
  74     void *buf;
  75     int bufsize;
  76     QXLWorker *worker;
  77     QXLInstance qxl;
  78     uint32_t unique;
  79     pixman_image_t *surface;
  80     pixman_image_t *mirror;
  81     int32_t num_surfaces;
  82
  83     QXLRect dirty;
  84     int notify;
  85
  86     /*
  87      * All struct members below this comment can be accessed from
  88      * both spice server and qemu (iothread) context and any access
  89      * to them must be protected by the lock.
  90      */
  91     QemuMutex lock;
  92     QTAILQ_HEAD(, SimpleSpiceUpdate) updates;
  93     QEMUCursor *cursor;
  94     int mouse_x, mouse_y;
  95 };
  96
  97 struct SimpleSpiceUpdate {
  98     QXLDrawable drawable;
  99     QXLImage image;
 100     QXLCommandExt ext;
 101     uint8_t *bitmap;
 102     QTAILQ_ENTRY(SimpleSpiceUpdate) next;
 103 };
 104
 105 int qemu_spice_rect_is_empty(const QXLRect* r);
 106 void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r);
 107
 108 void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update);
 109 void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd);
 110 void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd);
 111 void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd);
 112 void qemu_spice_vm_change_state_handler(void *opaque, int running,
 113                                         RunState state);
 114 void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd, DisplayState *ds);
 115
 116 void qemu_spice_display_update(SimpleSpiceDisplay *ssd,
 117                                int x, int y, int w, int h);
 118 void qemu_spice_display_resize(SimpleSpiceDisplay *ssd);
 119 void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd);
 120 void qemu_spice_cursor_refresh_unlocked(SimpleSpiceDisplay *ssd);
 121
 122 void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot,
 123                             qxl_async_io async);
 124 void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid,
 125                             uint32_t sid);
 126 void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id,
 127                                        QXLDevSurfaceCreate *surface,
 128                                        qxl_async_io async);
 129 void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd,
 130                                         uint32_t id, qxl_async_io async);
 131 void qemu_spice_wakeup(SimpleSpiceDisplay *ssd);
 132 void qemu_spice_display_start(void);
 133 void qemu_spice_display_stop(void);
 134 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd);